Art is a competitive environment.
This isn’t a thought we have to consciously think about, but nonetheless one we should remember. It doesn’t exist in a vacuum; we are influenced by others and vice versa.
Our thoughts take flight when others resonate with them. Either because you voice what is desired or has a reason to be heard—preferably, both! But, how do we measure the value in what we wish to express?
There might be the happenstance that you are born with creative ideas. However, taste—both technical and expressive—can always grow. Bad ideas can be refined into good ideas. Good ideas can become great. And great ideas can always evolve into something much more.
Consider what you wish to express. Consider what matters to you, and why. Find what you yourself desire to see, and create it. Then freely express yourself.
There is no necessity to worry about how much others take from what we say, but always say something that holds value to you. Art is competitive, but more important than being better than others, be better than yourself.
Simply trying begins the road to mastery.